Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
21-05-2024 15:45
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exe
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Size
39KB
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MD5
c7370437e1a8f07e8460d6aca0028163
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SHA1
32970bb3d678142edd87d8c4e8bc43cb7d75c96c
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SHA256
6094215f3978ad2f20b20fc27781b87921efe6710c2a33834c43108dd2d29685
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SHA512
2c779e16b63de6e63c1829e53c5b5d516cddef894e168361f8562eee939d699c056d6b56ce1bf73f4f259cc1e8d2514d7dce4c330493bb48df1efcd107e31af3
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SSDEEP
768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDbj:ZzFbxmLPWQMOtEvwDpjLeJAsKcbj
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\misid.exe CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
Processes:
misid.exepid process 2556 misid.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exepid process 2248 2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exedescription pid process target process PID 2248 wrote to memory of 2556 2248 2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exe misid.exe PID 2248 wrote to memory of 2556 2248 2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exe misid.exe PID 2248 wrote to memory of 2556 2248 2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exe misid.exe PID 2248 wrote to memory of 2556 2248 2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exe misid.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2556
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
40KB
MD59d267df8ed8a59e85493a2e4892487e2
SHA1d5257e9d2b7ebaa00ad4c999b2c5cb9b3791fac3
SHA256bb069d37510276d71b6d63232915de3042c6250bc0323b790bf17ffbbb929d9b
SHA512adbba6f627704ff6ee79a458e0b2b66ceaf062df630c91e372a2349ea7c7c7cd97d0456630bb5ebaa91aff1ae3dd23a602b7af57ab81e5fc9106b06ce84e607f